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python畫(huà)復(fù)雜循環(huán)圖

Python是一種非常強(qiáng)大的編程語(yǔ)言,它在數(shù)據(jù)可視化方面有著豐富的優(yōu)勢(shì)。其中畫(huà)復(fù)雜循環(huán)圖也是Python的一個(gè)高級(jí)應(yīng)用。以下是Python實(shí)現(xiàn)畫(huà)復(fù)雜循環(huán)圖的步驟:

# 導(dǎo)入必要的庫(kù)
import matplotlib.pyplot as plt
import numpy as np
# 定義循環(huán)次數(shù)和內(nèi)圓半徑
n = 5
inner_radius = 0.5
# 定義多邊形點(diǎn)的坐標(biāo)
polygon_vertices = np.zeros(shape=(n, 2))
for i in range(n):
angle = 2*np.pi*i/n
polygon_vertices[i] = (np.cos(angle), np.sin(angle))
# 定義各邊的頂點(diǎn)坐標(biāo)
line_vertices = np.zeros(shape=(2*n, 2))
for i in range(n):
line_vertices[2*i] = polygon_vertices[i]
line_vertices[2*i+1] = polygon_vertices[(i+1)%n]
# 畫(huà)圖
fig, ax = plt.subplots()
ax.set_aspect('equal')
ax.axis('off')
ax.fill(polygon_vertices[:,0], polygon_vertices[:,1], facecolor='w', linewidth=2, edgecolor='black')
ax.plot(line_vertices[:,0], line_vertices[:,1], linewidth=2, color='black')
# 畫(huà)循環(huán)圓
for i in range(n):
angle = 2*np.pi*i/n
x = inner_radius*np.cos(angle)
y = inner_radius*np.sin(angle)
ax.add_patch(plt.Circle(polygon_vertices[i], inner_radius, facecolor='w', linewidth=2, edgecolor='black'))
ax.plot([x, polygon_vertices[i][0]], [y, polygon_vertices[i][1]], linewidth=2, color='black')
plt.show()

在代碼中,由于需要通過(guò)坐標(biāo)來(lái)定義圖形,因此首先需要定義多邊形點(diǎn)的坐標(biāo)以及各邊的頂點(diǎn)坐標(biāo),然后就可以通過(guò)matplotlib庫(kù)來(lái)畫(huà)圖。其中,fill()函數(shù)用于填充多邊形區(qū)域,plot()函數(shù)用于畫(huà)邊,add_patch()函數(shù)用于畫(huà)循環(huán)圓。最后通過(guò)show()函數(shù)來(lái)顯示圖形。